Divine is the word for those. If you like those also try 'Akhiyan Udeek Diyan', 'Ali Moula', 'Ali Da Malang', 'Ali No Yaad Karo (Slow Qawwali but highly spiritual)' And SasoN ki Mala (listen to the violin in the beginning).

I became a fan of Nusrat for the first time at the age of seven, after listening to his contributions to the soundtrack of the iconical PTV drama series, 'Dhuaan' (Smoke).

Was about to post this myself. Though I already used to enjoy his songs before, his contributions to 'Dhuaan' were excellent and at times brought tears to my eyes. Absolutely love 'Kisay da Yaar na bichharay'.